Home / 20,529.42-30,791.10-5,739.84

Finding the Fourth Proportional to 20,529.42, 30,791.10 and 5,739.84

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Solution

The fourth proportional to 20,529.42, 30,791.10 and 5,739.84 is: 8,608.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,529.42 : 30,791.10 = 5,739.84 : x
  2. Step 2: Convert to fraction form
    20,529.42/30,791.10 = 5,739.84/x
  3. Step 3: Cross multiply
    20,529.42x = 30,791.10 × 5,739.84
  4. Step 4: Simplify right side
    20,529.42x = 176,735,987.42
  5. Step 5: Solve for x
    x = 176,735,987.42/20,529.42
  6. Step 6: Final answer
    x = 8,608.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.